What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho round-trip?

According to our current data, Delta ($466), offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Lewiston, Idaho flight should consider departing on Friday mornings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Lewiston, Idaho ranges from 0.3 - 1.7 inches per month. June is typically the wettest month, when rainfall can reach 1.7 in. August is typically the driest time to visit Lewiston, Idaho when rainfall is around 0.3 in.

If weather is an important factor for your trip to Lewiston, Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho?

Travelers have found that booking a Thursday departure is the best way to save up to 100% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest time of day to fly from IAD to LWS?

Unlike at noon, when flights are generally more expensive, you can save up to 64% on flights from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho by exploring options for tickets in the morning.

What airport do you fly into for flights to Lewiston from Washington, D.C. Dulles Intl?

If you book a flight to Lewiston from Washington, D.C. Dulles Intl, you will be flying to Nez Perce Rgnl, which is the city’s only airport. Lewiston Nez Perce Rgnl (LWS) is located 1.9 mi from the center of Lewiston. There are 0 flights from Washington, D.C. Dulles Intl to Nez Perce Rgnl per day from 0 different airlines.

Can I find deals for flights from Dulles Intl to Lewiston that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Lewiston flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Lewiston?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Lewiston.

Can I find deals for business class flights from Dulles Intl to Lewiston?

Yes. Cheapflights offers flight deals from Dulles Intl to Lewiston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$372+ Flights from Washington, D.C. Dulles Intl Airport to Lewiston, ID

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Cheap flight deals from Dulles Intl to Lewiston

Round-trip from	$466 (Delta)
One-way from	$372 (Delta)

From Washington, D.C. Dulles Intl to Lewiston Nez Perce Rgnl

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One-way flight from Washington, D.C. Dulles Intl to Lewiston Nez Perce Rgnl

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Cheapest flights from Dulles Intl to Lewiston
Explore the most affordable flight options available from Dulles Intl to Lewiston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2025.

Tue 9/167:05 amIAD - LWS

1 stop9h 17mDelta

Sat 9/272:02 pmLWS - IAD

1 stop6h 31mDelta

Deal found 7/20

$466

Best flights from Dulles Intl to Lewiston
Discover carefully curated flight deals from Dulles Intl to Lewiston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2025.

Tue 9/167:05 amIAD - LWS

1 stop9h 17mDelta

Sat 9/272:02 pmLWS - IAD

1 stop6h 31mDelta

Deal found 7/20

$466

Last-minute flights from Dulles Intl to Lewiston
Discover last-minute flight deals from Dulles Intl to Lewiston. Data last updated July 23, 2025 and is based on user searches.

Sun 8/177:30 amIAD - LWS

1 stop8h 49mDelta

Tue 8/192:00 pmLWS - IAD

2 stops12h 55mDelta

Deal found 7/22

$835

One-way flights from Dulles Intl to Lewiston
Search for one-way flight options from Dulles Intl to Lewiston. Find affordable one-way fares based on user searches. Data last updated July 23, 2025.

Wed 10/110:07 amIAD - LWS

2 stops13h 58mDelta

Deal found 7/21

$372

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Lewiston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

Tue 9/16

7:05 am-1:22 pm

1 stop9h 17m

Lewiston Nez Perce Rgnl

Sat 9/27

2:02 pm-11:33 pm

1 stop6h 31m

$466

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

Wed 10/1

10:07 am-9:05 pm

2 stops13h 58m

$372

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Best time to book a flight from Dulles Intl to Lewiston

Have a flexible travel schedule? Discover the best time to fly to Lewiston from Dulles Intl with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Lewiston

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho (average of $278). Flying from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho in July is currently the most expensive (average of $527). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Lewiston

Read reviews from past customers who have flown Delta from Washington, D.C. Dulles Intl Airport to Lewiston. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,967 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,967 reviews

Delta

8.0

Very good

7,967 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly into for flights to Lewiston from Washington, D.C. Dulles Intl?
If you book a flight to Lewiston from Washington, D.C. Dulles Intl, you will be flying to Nez Perce Rgnl, which is the city’s only airport. Lewiston Nez Perce Rgnl (LWS) is located 1.9 mi from the center of Lewiston. There are 0 flights from Washington, D.C. Dulles Intl to Nez Perce Rgnl per day from 0 different airlines.
What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho round-trip?
According to our current data, Delta ($466), offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho.
Can I find deals for flights from Dulles Intl to Lewiston that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Lewiston flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Lewiston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Lewiston.
Can I find deals for business class flights from Dulles Intl to Lewiston?
Yes. Cheapflights offers flight deals from Dulles Intl to Lewiston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho (average of $278). Flying from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho in July is currently the most expensive (average of $527). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$372+ Cheap flights from Dulles Intl (IAD) to Lewiston, ID (LWS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Lewiston with Cheapflights

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Cheap flight deals from Dulles Intl to Lewiston

Round-trip from

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Find flight deals from Dulles Intl to Lewiston

Cheapest flights from Dulles Intl to LewistonExplore the most affordable flight options available from Dulles Intl to Lewiston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2025.

Explore the most affordable flight options available from Dulles Intl to Lewiston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Lewiston that are best for you.

Best time to book a flight from Dulles Intl to Lewiston

Have a flexible travel schedule? Discover the best time to fly to Lewiston from Dulles Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Lewiston

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho?

Reviews of airlines servicing Lewiston

Read reviews from past customers who have flown Delta from Washington, D.C. Dulles Intl Airport to Lewiston. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Lewiston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Lewiston from Washington, D.C. Dulles Intl?

What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho round-trip?

Can I find deals for flights from Dulles Intl to Lewiston that include hotel bookings?

How can I find direct flights from Dulles Intl to Lewiston?

Can I find deals for business class flights from Dulles Intl to Lewiston?

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Lewiston

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

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Travel Smart

Cheapest flights from Dulles Intl to Lewiston
Explore the most affordable flight options available from Dulles Intl to Lewiston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2025.